diff --git a/xCAT-server/lib/xcat/plugins/updatenode.pm b/xCAT-server/lib/xcat/plugins/updatenode.pm
index a4a986007..a1ac50f21 100644
--- a/xCAT-server/lib/xcat/plugins/updatenode.pm
+++ b/xCAT-server/lib/xcat/plugins/updatenode.pm
@@ -507,8 +507,14 @@ sub preprocess_updatenode
                 $req_rs->{postscripts} = [$ps];
                 updatenode($req_rs, \&updatenode_cb, $subreq);
             }
+        
             if (scalar(@{$Linuxnodes})) {
-                $ps = "remoteshell,servicenode,xcatserver,xcatclient";
+                my $DBname = xCAT::Utils->get_DBName;
+                if ($DBname eq "DB2") {
+                  $ps = "remoteshell,servicenode,xcatserver,xcatclient,db2install";
+                } else {
+                  $ps = "remoteshell,servicenode,xcatserver,xcatclient";
+                }
                 $req_rs->{rerunps}->[0] = "yes";
                 $req_rs->{rerunps4security}->[0] = "yes";
                 $req_rs->{node} = $Linuxnodes;
@@ -1036,8 +1042,13 @@ $AIXnodes_nd, $subreq  ) != 0 ) {
 
         if (scalar(@$Linuxnodes))
         {    
+           my $DBname = xCAT::Utils->get_DBName;
            if ($orig_postscripts eq "allkeys44444444security") {
-               $postscripts = "remoteshell,servicenode,xcatserver,xcatclient";
+              if ($DBname eq "DB2") {   
+                $postscripts = "remoteshell,servicenode,xcatserver,xcatclient,db2install";
+              } else {
+                $postscripts = "remoteshell,servicenode,xcatserver,xcatclient";
+              }
            } else {
                $postscripts = $orig_postscripts;
            }